The single cell that forms from the union of a sperm and an ovum is known as a
A) placenta.
B) zygote.
C) embryo.
D) fetus.
Correct Answer:
Verified
Q1: Babies born to mothers pregnant during the
Q2: The ovum
A) contains a fully formed baby.
B)
Q3: The periods of prenatal development occur in
Q5: Within the new zygote an hour after
Q6: On average, a woman releases an egg
Q7: Implantation takes about
A) 24 hours.
B) 3 days.
C)
Q8: Emily has been trying to conceive for
Q9: The period of the zygote lasts about
A)
Q10: The period of the embryo begins
A) within
Q11: The period of the embryo lasts approximately
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